[meta] Open PRs

[andy-esch]

Pull requests are ready to go

Docs updates

• [x] https://github.com/CartoDB/crankshaft/pull/193 Minor docs updates to code snippets (no code touched)
• [x] https://github.com/CartoDB/crankshaft/pull/155 Notes about how to use the PL/Python functions which have queries as arguments
• [x] https://github.com/CartoDB/crankshaft/pull/179 Notes about outputs of moran's i/markov

Refactoring / bug fixes

• [x] https://github.com/CartoDB/crankshaft/pull/157 Better errors for older spatial stats functions
• [x] https://github.com/CartoDB/crankshaft/pull/150 Refactors nonspatial kmeans to more consistent internals as compared to other functions
• [x] https://github.com/CartoDB/crankshaft/pull/165 Adds better geometry support to PIA
• [x] https://github.com/CartoDB/crankshaft/pull/171 Segmentation refactoring

New functionality

Needs code review (not ready to go)

• [ ] https://github.com/CartoDB/crankshaft/pull/175 Spatial lag as an analysis (needs code review)
• [ ] https://github.com/CartoDB/crankshaft/pull/147 Spatial Interaction Models - should be ready to go*

Blocked

• [ ] #197 Balanced k-means clustering

  Status uncertain

• [ ] https://github.com/CartoDB/crankshaft/pull/148 Dot density

Incomplete

• [ ] https://github.com/CartoDB/crankshaft/pull/136 weighted median center
• [ ] https://github.com/CartoDB/crankshaft/pull/14 Union adjacent
• [ ] https://github.com/CartoDB/crankshaft/pull/160 Max-p

This ticket supplants https://github.com/CartoDB/crankshaft/issues/159